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WorksheetsCardiovascular System Test
Total questions: 40
Worksheet time: 20mins
What is the main function of the cardiovascular system?
Producing hormones
Digesting food
Circulating blood and removing waste
Creating body heat
Which of the following is NOT part of the cardiovascular system?
Heart
Blood
Lungs
Arteries
What do veins do?
Pump blood out of the heart
Carry oxygen rich blood to the body
Carry blood to the lungs
Carry oxygen depleted blood back to the heart
Which vessel carries oxygen rich blood away from the heart?
Veins
Capillaries
Arteries
Lymph vessels
How many gallons of blood does the heart pump daily?
100
2,000
20,000
5,000
What is homeostasis?
Regulation of body temperature
Balancing blood sugar
Maintenance of a healthy internal state
Oxygen exchange in the lungs
How do the cardiovascular and nervous systems work together?
They both carry nutrients
The heart sends messages to the brain
The nervous system regulates heart rate and blood pressure
They produce hormones together
The cardiovascular and respiratory systems work together to:
Pump hormones
Deliver oxygen and remove carbon dioxide
Filter blood
Produce red blood cells
What is the role of the digestive system in cardiovascular function?
Produces white blood cells
Delivers oxygen
Absorbs nutrients into the bloodstream
Filters waste
What are the five primary functions of the cardiovascular system?
Movement, balance, heat, oxygen, waste
Hormones, digestion, circulation, immune defense, sleep
Circulation, waste removal, clotting, oxygen delivery, immune defense
Breathing, digestion, movement, hearing, sight
What is the shape of the human heart?
Heart shaped
Triangle
Inverted cone
Oval
What separates the left and right sides of the heart?
Myocardium
Valve
Cardiac septum
Pericardium
What is the role of the atria?
Pump blood to the body
Receive blood and send it to ventricles
Store blood
Produce red blood cells
Which ventricle pumps blood to the body?
Right
Left
Upper
Middle
Which valve controls blood flow from the left ventricle to the body?
Pulmonary
Tricuspid
Aortic
Mitral
What is the function of heart valves?
Pump blood
Store oxygen
Regulate blood flow in one direction
Produce red blood cells
Which is the largest artery in the body?
Pulmonary artery
Carotid artery
Aorta
Femoral artery
What is the purpose of the pericardium?
Filters blood
Delivers oxygen
Lubricates and protects the heart
Produces blood
What layer of the heart wall pumps blood?
Epicardium
Endocardium
Myocardium
Pericardium
What is pulmonary circulation?
Blood flow between heart and body
Blood flow between heart and lungs
Blood flow inside heart chambers
Blood flow in veins
What do capillaries do?
Carry blood from the lungs
Connect arteries and veins
Pump blood
Store white blood cells
Which blood vessel layer controls blood pressure?
Tunica externa
Tunica media
Tunica intima
Endothelium
What prevents backflow in veins?
Arteries
Blood pressure
Valves
Plasma
Where is deoxygenated blood first received in the heart?
Right ventricle
Right atrium
Left atrium
Left ventricle
What is the function of red blood cells?
Fight infection
Produce oxygen
Carry oxygen via hemoglobin
Store nutrients
What percentage of body weight is blood?
3%
5%
7%
10%
What is hematopoiesis?
Oxygen transport
Clotting of blood
Blood cell production
Blood pressure regulation
What are the components of blood?
Platelets, marrow, capillaries, lymph
Red & white blood cells, platelets, plasma
Arteries, veins, capillaries, tissue
Glucose, oxygen, carbon dioxide, waste
What is the life span of a red blood cell?
30 days
60 days
90 days
120 days
What is another name for red blood cells?
Leukocytes
Thrombocytes
Erythrocytes
Monocytes
What determines blood type?
Diet
Plasma volume
Antigens on red blood cells
Blood pressure
What is the Rh factor?
A virus
Protein on red blood cells
Type of white blood cell
Clotting factor
What makes O the universal donor?
It contains all antigens
It lacks A and B antigens and Rh factor
It has more hemoglobin
It regenerates faster
What makes AB+ the universal recipient?
It can donate to any type
It has all antibodies
It can accept any blood type
It produces extra platelets
What causes Rh disease in pregnancy?
The fetus is Rh
The mother is Rh+
The mother produces antibodies against Rh+ blood
The baby has anemia
When does the fetal heart start beating?
Week 2
Week 4
Week 6
Week 8
What is the function of the placenta?
Makes red blood cells
Protects the fetus from infection
Supplies oxygen and nutrients to the fetus
Pumps fetal blood
What does the ductus arteriosus do in a fetus?
Carries blood to liver
Allows blood to bypass lungs
Carries oxygen rich blood
Produces white blood cells
What happens to the heart with age?
Heart shrinks
Heart becomes more elastic
Heart walls thicken and chambers hold less blood
Heart rate increases
What causes congestive heart failure?
Bacteria in the heart
Weak heart that cannot pump blood efficiently
Extra red blood cells
Increased kidney activity
